body {margin: 0 auto;}

#wraptop {
	width: 100%;
	height: 80px;
	background:#333;
}

#wrapbanner {
	width: 100%;
	height: 400px;
	background:#f00;
}

#wrapmiolo {
	width: 100%;
	height: 800px;
	background:#ff0;
}